ScienceGrade 6ages 11–12
🍃 Not gone
Rotting isn't vanishing — it's tiny creatures in the soil eating the material and turning it into more soil — but plastic is made of something no such creature can eat, so it stays whole; "away" is just another place, not a hole in the world.
Try this lesson freeNo card needed. The first lesson is free.
Download on the App StoreWhat your child learns
- Rotting is not vanishing. It is a meal: tiny creatures in the soil eat the peel.
- The peel's material passes into them and into the earth, which is why the heap becomes soil.
- Plastic is made of a material no such creature knows how to eat, so nobody breaks it down.
- So it stays whole. "Away" is not a hole in the world — it is only another place inside it.
The mistake most kids make here
What is thrown vanishes, and plastic rots like a peel.
Try one question
When you throw something "away" it…
Away
- is erased from the world
- is still somewhere
- always becomes the sun
Answer
is still somewhere — Yes. The truck moved it to another place, and that place is in the world too.
How Maya teaches it
Your child tells Maya what they did in class. She teaches this topic at her desk, asks questions with tappable answers, and when the answer is wrong she explains why that answer was tempting instead of saying “try again”. She remembers what did not land and comes back to it.
Your child has it when they can: Say what rots soon, what stays, and where "away" goes.
How to help at home
"Away" sounds like it means gone for good, since the trash truck takes it and we never see it again. The fix is following the peel and the plastic to where they actually end up, and noticing they don't end up the same way.
Tonight, if you have a compost pile or garden, look at older, rotting plant matter together. Ask your child what's happening to it — it's smaller, darker, and blending into the soil, because tiny creatures are eating it.
If your child thinks plastic breaks down the same way, ask what's eating it. Nothing is — plastic isn't food for the creatures that break down a peel, so instead of turning into soil, it simply stays whole, wherever it ends up.
A good sign they've got it: they can explain that a peel rots because something eats it, plastic doesn't because nothing can, and "away" just means somewhere else in the world.
Questions parents ask
- Why does my child think thrown-out trash just disappears?
- Because the trash truck takes it out of sight and it never comes back, "away" feels like it means gone entirely, rather than simply moved to another place.
- Why does a peel rot but plastic doesn't?
- A peel rots because tiny creatures in the soil eat it, turning it into more soil. Plastic is made of a material those creatures can't eat, so nothing breaks it down — it stays whole.
- Where does trash actually go when it's thrown "away"?
- It's moved to another place — a landfill, for example — but it's still somewhere in the world, not erased from it.
- How does Maya teach this differently from a worksheet?
- Maya asks what happens when something is thrown "away" and offers "erased from the world" as a wrong option, so a child has to reason about where things actually go rather than assume they vanish.
No card needed. The first lesson is free.
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Sources: Next Generation Science Standards